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WSASetEvent function

The WSASetEvent function sets the state of the specified event object to signaled.

Syntax


BOOL WSASetEvent(
  _In_ WSAEVENT hEvent
);

Parameters

hEvent [in]

Handle that identifies an open event object.

Return value

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE. To get extended error information, call WSAGetLastError.

Error codeMeaning
WSANOTINITIALISED

A successful WSAStartup call must occur before using this function.

WSAENETDOWN

The network subsystem has failed.

WSAEINPROGRESS

A blocking Windows Sockets 1.1 call is in progress, or the service provider is still processing a callback function.

WSA_INVALID_HANDLE

The hEvent parameter is not a valid event object handle.

 

Remarks

The WSASetEvent function sets the state of the event object to be signaled.

Windows Phone 8: This function is supported for Windows Phone Store apps on Windows Phone 8 and later.

Windows 8.1 and Windows Server 2012 R2: This function is supported for Windows Store apps on Windows 8.1, Windows Server 2012 R2, and later.

Requirements

Minimum supported client

Windows 8.1, Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Minimum supported phone

Windows Phone 8

Header

Winsock2.h

Library

Ws2_32.lib

DLL

Ws2_32.dll

See also

Winsock Reference
Winsock Functions
WSACloseEvent
WSACreateEvent
WSAResetEvent

 

 

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